<?php
/**
 *
 * Magento
 *
 * NOTICE OF LICENSE
 *
 * This source file is subject to the Open Software License (OSL 3.0)
 * that is bundled with this package in the file LICENSE.txt.
 * It is also available through the world-wide-web at this URL:
 * http://opensource.org/licenses/osl-3.0.php
 * If you did not receive a copy of the license and are unable to
 * obtain it through the world-wide-web, please send an email
 * to license@magentocommerce.com so we can send you a copy immediately.
 *
 * DISCLAIMER
 *
 * Do not edit or add to this file if you wish to upgrade Magento to newer
 * versions in the future. If you wish to customize Magento for your
 * needs please refer to http://www.magentocommerce.com for more information.
 *
 * @copyright   Copyright (c) 2014 X.commerce, Inc. (http://www.magentocommerce.com)
 * @license     http://opensource.org/licenses/osl-3.0.php  Open Software License (OSL 3.0)
 */
namespace Magento\Sales\Controller\Order\Plugin;

use Magento\Framework\App\RequestInterface;

class Authentication
{
    /**
     * @var \Magento\Customer\Helper\Data
     */
    protected $customerHelper;

    /**
     * @var \Magento\Customer\Model\Session
     */
    protected $customerSession;

    /**
     * @param \Magento\Customer\Helper\Data $customerHelper
     * @param \Magento\Customer\Model\Session $customerSession
     */
    public function __construct(
        \Magento\Customer\Helper\Data $customerHelper,
        \Magento\Customer\Model\Session $customerSession
    ) {
        $this->customerHelper = $customerHelper;
        $this->customerSession = $customerSession;
    }

    /**
     * Authenticate user
     *
     * @param \Magento\Framework\App\ActionInterface $subject
     * @param RequestInterface $request
     * @return void
     */
    public function beforeDispatch(\Magento\Framework\App\ActionInterface $subject, RequestInterface $request)
    {
        $loginUrl = $this->customerHelper->getLoginUrl();

        if (!$this->customerSession->authenticate($subject, $loginUrl)) {
            $subject->getActionFlag()->set('', $subject::FLAG_NO_DISPATCH, true);
        }
    }
}
